*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0d1b2e;
  --card-bg:     #112240;
  --card-border: #1e3a5f;
  --accent:      #00aaff;
  --text:        #cfe4f8;
  --muted:       #8aaec8;
  --white:       #ffffff;
  --radius:      14px;
}

html, body {
  min-height: 100%;
  background: var(--bg);
  font-family: 'Inter', sans-serif;
  color: var(--text);
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 40px 20px;
}

/* ── Header ── */
.header {
  text-align: center;
  margin-bottom: 40px;
}

.logo-img {
  width: 90px;
  height: 90px;
  object-fit: cover;
  margin: 0 auto 12px auto;
  border-radius: 22px;
  overflow: hidden;
  filter: drop-shadow(0 0 18px rgba(0,170,255,0.55));
  display: block;
}

.brand {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
}

.brand span { color: var(--accent); }

.tagline {
  margin-top: 10px;
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 340px;
  line-height: 1.6;
}

/* ── Cards (Home) ── */
.cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: 420px;
}

.card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  text-decoration: none;
  color: inherit;
  transition: border-color .25s, box-shadow .25s, transform .18s;
}

.card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(0,170,255,0.22);
  transform: translateY(-2px);
}

.card-icon {
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  border-radius: 10px;
  background: #0d1b2e;
  overflow: hidden;
}

.card-icon img {
  width: 54px;
  height: 54px;
  object-fit: cover;
  display: block;
}

.card-text h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.card-text p {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

/* ── Back button ── */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.85rem;
  margin-bottom: 28px;
  opacity: 0.8;
  transition: opacity .2s;
}
.back-btn:hover { opacity: 1; }

/* ── Page title ── */
.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
  text-align: center;
}

.page-sub {
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
  margin-bottom: 32px;
  max-width: 380px;
}

/* ── Planos ── */
.plans-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: 420px;
}

.plan-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: border-color .25s, box-shadow .25s;
}

.plan-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 18px rgba(0,170,255,0.18);
}

.plan-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 24px rgba(0,170,255,0.25);
}

.plan-badge {
  display: inline-block;
  background: var(--accent);
  color: #0d1b2e;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.plan-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.plan-price {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}

.plan-price span {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 400;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 18px;
}

.plan-features li {
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.plan-features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.btn-plan {
  display: block;
  width: 100%;
  text-align: center;
  padding: 11px;
  border-radius: 10px;
  background: var(--accent);
  color: #0d1b2e;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: opacity .2s;
}

.btn-plan:hover { opacity: 0.85; }

/* ── Download ── */
.download-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  max-width: 420px;
}

.dl-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  text-decoration: none;
  color: inherit;
  transition: border-color .25s, box-shadow .25s, transform .18s;
}

.dl-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 18px rgba(0,170,255,0.2);
  transform: translateY(-2px);
}

.dl-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dl-icon svg { width: 32px; height: 32px; }

.dl-text h3 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 3px;
}

.dl-text p {
  font-size: 0.78rem;
  color: var(--muted);
}

.dl-arrow {
  margin-left: auto;
  color: var(--accent);
  opacity: 0.7;
}

/* ── Footer ── */
footer {
  margin-top: 48px;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
}